作者:Matías Reina、Azucena González-Coloma、Carmen Gutiérrez、Raimundo Cabrera、Matías L. Rodríguez、Víctor Fajardo、Luis Villarroel
DOI:10.1021/np000114o
日期:2001.1.1
Three eremophilanolides, 1alpha-acetoxy-8beta-methoxy-10betaH-eremophil-7(11)-en-8alpha,12-olide (1); 1alpha-angeloyloxy-6beta-hydroxy-8beta-methoxy-10betaH-eremophil-7(11)-en-8alpha,12-olide (2); and 1alpha-angeloyloxy-8betaH,10betaH-eremophil-7(11)-en-8alpha,12-olide (3), and two pyrrolizidine alkaloids, integerrimine (4) and its N-oxide (5), were isolated from bioactive fractions of Senecio miser
三种全民棉酚,1alpha-乙酰氧基-8beta-甲氧基-10betaH-eremophil-7(11)-en-8alpha,12-内酰胺(1); 1alpha-angoloyloxy-6beta-hydroxy-8beta-methoxy-10betaH-eremophil-7(11)-en-8alpha,12-olide(2); 从生物活性成分中分离出1alpha-angeloyloxy-8betaH,10betaH-eremophil-7(11)-en-8alpha,12-内酰胺(3)和两个吡咯烷核碱生物碱(4)及其N-氧化物(5)。 Senecio miser的故事。通过NMR光谱分析和化学转化建立了新化合物1和2的结构。还进行了化合物1的X射线分析。人们发现,棉铃虫1和2以及生物碱4和5是强效的昆虫拒食剂,进一步证明了这类化合物的防御作用。